Analysis
- max time kernel
124s - max time network
125s - platform
windows10_x64 - resource
win10v200722 - submitted
25/09/2020, 06:15
General
- Target Invoice.exe
- Size 693KB
- Sample200925-p5n8a8xtl2
- SHA256 99a9f37b29dd440c803ea37c57a6acded495d4b49c165f66b3fbe8a427972799
Malware Config
Extracted
-
matiex
-
Protocol
smtp
-
Host
ebop.website
-
Port
587
-
Username
-
Password
P@ssw0rdP@ssw0rd
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main Payload 2 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3816-0-0x00000000738E0000-0x0000000073FCE000-memory.dmp
memory/3816-1-0x0000000000C90000-0x0000000000C91000-memory.dmp
memory/3816-3-0x00000000056F0000-0x00000000056F1000-memory.dmp
memory/3816-4-0x0000000005D80000-0x0000000005DF3000-memory.dmp
memory/3888-6-0x0000000000400000-0x0000000000472000-memory.dmp
memory/3888-8-0x00000000738B0000-0x0000000073F9E000-memory.dmp
memory/3888-11-0x0000000005A30000-0x0000000005A31000-memory.dmp
memory/3888-12-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/3888-13-0x0000000005530000-0x0000000005531000-memory.dmp
memory/3888-15-0x0000000006D10000-0x0000000006D11000-memory.dmp
memory/3888-16-0x0000000006FE0000-0x0000000006FE1000-memory.dmp